$OpenBSD: patch-third_party_webrtc_system_wrappers_source_timestamp_extrapolator_cc,v 1.1 2014/07/20 17:22:34 robert Exp $
--- third_party/webrtc/system_wrappers/source/timestamp_extrapolator.cc.orig.port	Thu Jul 17 13:41:47 2014
+++ third_party/webrtc/system_wrappers/source/timestamp_extrapolator.cc	Thu Jul 17 13:41:56 2014
@@ -12,6 +12,8 @@
 
 #include <algorithm>
 
+#undef _P
+
 namespace webrtc {
 
 TimestampExtrapolator::TimestampExtrapolator(int64_t start_ms)
